a-w.io

.io crawl

First seen 2026-04-15 · Last seen 2026-05-07 · ok HTTP/1.1 200 1730 ms crawled 2026-05-10

DE · 185.26.156.235 · AS58010 uvensys GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Andreas Wolf, freelance software developer, trainer and consultant
Language
en

Technology

Server
nginx

DNS records live

NS
  • ns1.first-ns.de
  • robotns2.second-ns.de
  • robotns3.second-ns.com
MX
  • 10 mx4.efm.de
  • 20 mx5.efm.de

Email authentication weak

SPF
v=spf1 include:_spf.efm.de include:spf.easybill-mail.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-02 to 2026-07-01
Expires in 43 days

HTTP security headers

Header hygiene 75/100 Checked live page: https://a-w.io/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (1)

Linked from (1)